Getting files onto and off of the Nexus S is a snap, thanks to a built-in USB storage app that opens the root directory to its microUSB port. Simply attach the included cable to a computer's USB port, and drag and drop files to and from the device's 16 GB of user-accessible memory. Other convenience features include a dual-purpose power button, which also brings up a menu for quickly controlling sound, airplane mode and to quit all apps and shut down.